{"uid":"cap_u_XPcEfHX--TGkHgvxxQM","slug":"crest-x402-service-trust-score-4344edc1","name":"Crest x402 Service Trust Score","description":"Crypto market data, DeFi analytics, and x402 ecosystem intelligence via pay-per-request USDC on Base mainnet.","url":"https://data.crestsystems.ai/data/service-trust/%7Baddress%7D","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"x402 service receiver address (EVM 0x+40hex or Solana base58)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"paid":true,"found":true,"grade":"A-","address":"0x...","trust_score":78,"recommendation":"SPEND"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.5","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_16GKNDJFRtEKKPo5P5eop","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a trust grade, trust score, and spend recommendation for any x402 service receiver address (EVM or Solana).","exampleAgentPrompt":"Before I pay, can you check the Crest trust score and grade for this x402 service address 0x1234567890abcdef1234567890abcdef12345678 and tell me if I should spend USDC on it?","exampleUseCases":null,"resultDescription":"Returns a JSON object with: paid (bool), found (bool), grade (letter grade like 'A-'), address (the queried address), trust_score (integer 0-100), and recommendation (e.g. 'SPEND' or 'AVOID').","failureModes":["Address not found in x402 registry — found: false returned","Invalid address format (not EVM 0x+40hex or Solana base58) — likely 400 error or empty result","Payment not processed — 402 response if USDC payment fails","Unknown or very new address with no activity — low trust_score with limited data","Network/service downtime — 5xx error"],"whenToPreferThis":"Use this endpoint when an AI agent needs to vet an x402 service receiver address before authorizing a USDC payment on Base mainnet — specifically when you want a letter grade, numeric trust score, and a binary SPEND/AVOID recommendation rather than raw on-chain data. Prefer this over generic wallet analytics when operating within the x402 pay-per-request ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T11:27:52.221Z","isFirstParty":false}